To relatively easily and automatically detect that imaging with an in-vehicle camera is interrupted.SOLUTION: An abnormality determination device comprises an interruption determination unit (211) which uses the number of edges extracted by image processing of an image captured with a camera (10) and a gain level value obtained by digitizing a gain volume in capturing the image and determines that imaging with the camera (10) is interrupted, in a case where a first condition that the gain level value is within a normal range and the number of edges is less than a prescribed first setting value is satisfied.SELECTED DRAWING: Figure 1

    【課題】車内カメラによる撮像が妨害されていることを比較的容易に自動検出する。【解決手段】異常判定装置は、カメラ(10)にて撮像された撮像画像に画像処理を行うことにより抽出されたエッジ数と、撮像画像を撮像する際のゲイン量を数値化したゲインレベル値とを用いて、ゲインレベル値が正常範囲内かつエッジ数が所定の第1の設定値を下回っているという第1の条件を満たす場合に、カメラ(10)による撮像が妨害されていると判定する妨害判定部(211)を備える。【選択図】図1


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    Title :

    ABNORMALITY DETERMINATION DEVICE, ABNORMALITY DETERMINATION SYSTEM, AND ABNORMALITY DETERMINATION METHOD


    Additional title:

    異常判定装置、異常判定システムおよび異常判定方法


    Contributors:
    HATTA TAKASHI (author) / YASO KENJI (author) / YUDA MAKOTO (author)

    Publication date :

    2025-03-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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